| EPSRC Reference: |
GR/L60449/01 |
| Title: |
EXPERIMENTAL TRANSPORT STUDIES OF THE PINNING, DYNAMICS AND TRANSITIONS OF VORTICES IN SUPERCONDUCTORS |
| Principal Investigator: |
Campbell, Professor AM |
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| Department: |
Superconductivity (IRC) |
| Organisation: |
University of Cambridge |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 August 1998 |
Ends: |
31 July 2001 |
Value (£): |
110,605
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
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| EPSRC Industrial Sector Classifications: |
| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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We aim to determine the regimes of field and temperature in HTS where the useful region of superconductivity is bounded by transitions in the vortex matter or depinning of the vortices respectively. This will resolve the relationship betwen the irreversibility and melting lines. We have high quality crystals from international sources. These will be modified to remove the geometrical barriers which have hindered identification of the detailed mechanism underlying thermodynamic transitions in the vortex matter (melting, decoupling or glass transitions). The crystals will be investigated using local Hall probe and global magnetisation, and goniometer controlled transport techniques. Interpretation of the data will be carried out within existing collaborations both within the UK and with several prominent groups overseas. Samples will be modified in a controlled manner using heavy ions and electron irradiation within well established collaborations. Together, these investigations will allow an almost unique study of phase transitions in a system where the density and disorder can be reliably controlled over several orders of magnitude. In addition, there are obvious advantages in identification of the intrinsic upper limits of the useful parameter values in HTS and the effects which control them.Keywords describing areas of proposal.Condens' Matter,Materials,Physics,Superconduct'y,Transport
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.cam.ac.uk |